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Bilge Blower

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  • Bilge Blower

    So I've had 3 I/Os over the years, all of them aluminum FWIW. One of the 3 boats had a nice quiet bilge blower. The other two including my current boat, it sounds like the blower is going to vibrate apart.

    Is there anything like a higher quality bilge blower? If so could someone recommend one?

    I appreciate any info.

  • #2
    I was in the same position about a year and half ago, and I never found a 'top of the line' blower. Most of them look like what I bought (a 'Seaflo'), down to identical plastic housings and identical specs for CFM, motor, etc. I assume there are one or two companies that make most of them and the units just get rebranded.

    Anyway, the Seaflo unit I bought isn't whisper quiet, but it is substantially better than the one it replaced. I'd give it a qualified recommendation.
    Location: West Central Illinois, USA 1997 Larson 186 SEi Bowrider I/O Mercruiser 350 #0F747565 Mag Alpha One Gen II #1A270120 Transom and Deck Restoration Project on my '97 Larson Bowrider


    • #3
      I cant hear my blower over the "Potato Potato Potato" of my exhaust. my last batch of blowers came from Worst Marine as I needed them on a sunday. same as the attwood I replaced.
      Cheesehead boating the Gulf Coast of FLA 27.51° N, 82.53° W

      1988 Cruisers Rogue 2420 -VP 290 DP now powered by custom 468 - https://forums.iboats.com/forum/owner...988-rogue-2420

      Past Boats
      1970 Wooster Hellion - Merc 9.8
      2002 SeaRay 190BR - 5.0 - A1G2 - "Cheeseheads in Paradise"
      1984 Avanti 170DLI -3.0 stringer- "Ship Happens"

      What’s behind you doesn’t matter.Enzo Ferrari


      • #4
        Not sure you can find one real quite, they need to move a lot of air. My Formula also has Seaflow

        I run them till the motor is running, then I turn it off
        94 Formula 27PC Custom 509MPI MEFI3 , B3 XR
        95 Rinker 232 w/ 7.4L Carb 0F425011 B1 0F486471
        07 Seadoo GTX
        Merc Adults Only VP Adults Only
        G-Dad always said "First Liar doesn't stand a chance"


        • #5
          How is it mounted? Might be turning the fiberglass into a resonator if it is solid mounted. Try some rubber isolator bushings when you mount it.


          • #6
            The transom of my boat is aluminum outside with a big thick piece of marine ply on the inside. The blower is mounted to the plywood, but I'm sure the aluminum of the boat resonates the sound.

            On a different boat I could here the air blowing noise, no vibration. I was totally fine with that. This boat, I can hardly hear the air blowing but boy oh boy that sucker has a vibration to it, , or something.

            I thought about finding some vibration isolating mounts, but there's got to be some blower somewhere that is just quiet all by itself.


            • #7
              I would try to put some of that do it yourself gasket material under the blower mounts. The only blower of the type you find on small boats I have heard of that is rated for continuous duty is the Sureflo Yellow Tail.
              Note continuous duty rating:

              1988 Four Winns 200 Horizon
              4.3 OMC Cobra

              98 Jeep Grand Cherokee 4.0 Selectrac
              07 Jeep Grand Cherokee Limited 5.7 Quadradrive II

              "While air doesn't freeze....rust never sleeps"


              • #8

                Most high quality boats use a squirrel cage blower because they last longer and are quite a bit quieter.
                I have converted a few boats for customers that feel safer running the blower at all times and don’t like the limited life span and noise of an in-line blower that most smaller boats come with.
                If you search a little, they can be found that accepts a hose on both ends.
                Good Luck Muc


                • #9

                  Here is the ones I used. Happy customers. But they had much more money then me.

                  I’m a fan of lifting the engine cover and smelling.
                  Good Luck Muc


                  • #10
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                    Say now, I like those squirrel cage fans!! I'll have to give one of those some serious thought.

                    I don't run the fan 100% of the time, especially when on plane. At idle speeds I cycle it on and off, but man it's still annoying.

                    Thanks for all the tips!